The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
On average, there's 100 billion neurons in the human brain.
83
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8